438-50-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 438-50-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,3 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 438-50:
(5*4)+(4*3)+(3*8)+(2*5)+(1*0)=66
66 % 10 = 6
So 438-50-6 is a valid CAS Registry Number.